52487257051551 has 16 divisors (see below), whose sum is σ = 81682296689664. Its totient is φ = 29354575371744.

The previous prime is 52487257051511. The next prime is 52487257051577. The reversal of 52487257051551 is 15515075278425.

It is a happy number.

It is not a de Polignac number, because 52487257051551 - 2³⁷ = 52349818098079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52487257051491 and 52487257051500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52487257051511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26589288300 + ... + 26589290273.

It is an arithmetic number, because the mean of its divisors is an integer number (5105143543104).

Almost surely, 2^{52487257051551} is an apocalyptic number.

52487257051551 is a deficient number, since it is larger than the sum of its proper divisors (29195039638113).

52487257051551 is a wasteful number, since it uses less digits than its factorization.

52487257051551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53178578630.

The product of its (nonzero) digits is 19600000, while the sum is 57.

The spelling of 52487257051551 in words is "fifty-two trillion, four hundred eighty-seven billion, two hundred fifty-seven million, fifty-one thousand, five hundred fifty-one".